From: Irving-CH Lin Add support for the MT8189 vlpckgen clock controller, which provides muxes and dividers for clock selection in vlp domain for other IP blocks. Signed-off-by: Irving-CH Lin --- drivers/clk/mediatek/Makefile | 3 +- drivers/clk/mediatek/clk-mt8189-vlpckgen.c | 280 +++++++++++++++++++++ 2 files changed, 282 insertions(+), 1 deletion(-) create mode 100644 drivers/clk/mediatek/clk-mt8189-vlpckgen.c diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 9d3d2983bfb2..3b25df9e7b50 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -123,7 +123,8 @@ obj-$(CONFIG_COMMON_CLK_MT8188_VDOSYS) += clk-mt8188-vdo0.o clk-mt8188-vdo1.o obj-$(CONFIG_COMMON_CLK_MT8188_VENCSYS) += clk-mt8188-venc.o obj-$(CONFIG_COMMON_CLK_MT8188_VPPSYS) += clk-mt8188-vpp0.o clk-mt8188-vpp1.o obj-$(CONFIG_COMMON_CLK_MT8188_WPESYS) += clk-mt8188-wpe.o -obj-$(CONFIG_COMMON_CLK_MT8189) += clk-mt8189-apmixedsys.o clk-mt8189-topckgen.o +obj-$(CONFIG_COMMON_CLK_MT8189) += clk-mt8189-apmixedsys.o clk-mt8189-topckgen.o \ + clk-mt8189-vlpckgen.o obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192-apmixedsys.o clk-mt8192.o obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o diff --git a/drivers/clk/mediatek/clk-mt8189-vlpckgen.c b/drivers/clk/mediatek/clk-mt8189-vlpckgen.c new file mode 100644 index 000000000000..950cc1fb73a1 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8189-vlpckgen.c @@ -0,0 +1,280 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2025 MediaTek Inc. + * Author: Qiqi Wang + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "clk-mtk.h" +#include "clk-mux.h" +#include "clk-gate.h" + +#include + +static DEFINE_SPINLOCK(mt8189_vlpclk_lock); + +static const char * const vlp_26m_oscd10_parents[] = { + "clk26m", + "osc_d10" +}; + +static const char * const vlp_vadsp_vowpll_parents[] = { + "clk26m", + "vowpll" +}; + +static const char * const vlp_sspm_ulposc_parents[] = { + "ulposc", + "univpll_d5_d2", + "osc_d10" +}; + +static const char * const vlp_aud_adc_parents[] = { + "clk26m", + "vowpll", + "aud_adc_ext", + "osc_d10" +}; + +static const char * const vlp_scp_iic_spi_parents[] = { + "clk26m", + "mainpll_d5_d4", + "mainpll_d7_d2", + "osc_d10" +}; + +static const char * const vlp_vadsp_uarthub_b_parents[] = { + "clk26m", + "osc_d10", + "univpll_d6_d4", + "univpll_d6_d2" +}; + +static const char * const vlp_axi_kp_parents[] = { + "clk26m", + "osc_d10", + "osc_d2", + "mainpll_d7_d4", + "mainpll_d7_d2" +}; + +static const char * const vlp_sspm_parents[] = { + "clk26m", + "osc_d10", + "mainpll_d5_d2", + "ulposc", + "mainpll_d6" +}; + +static const char * const vlp_pwm_vlp_parents[] = { + "clk26m", + "osc_d4", + "clk32k", + "osc_d10", + "mainpll_d4_d8" +}; + +static const char * const vlp_pwrap_ulposc_parents[] = { + "clk26m", + "osc_d10", + "osc_d7", + "osc_d8", + "osc_d16", + "mainpll_d7_d8" +}; + +static const char * const vlp_vadsp_parents[] = { + "clk26m", + "osc_d20", + "osc_d10", + "osc_d2", + "ulposc", + "mainpll_d4_d2" +}; + +static const char * const vlp_scp_parents[] = { + "clk26m", + "univpll_d4", + "univpll_d3", + "mainpll_d3", + "univpll_d6", + "apll1", + "mainpll_d4", + "mainpll_d6", + "mainpll_d7", + "osc_d10" +}; + +static const char * const vlp_spmi_p_parents[] = { + "clk26m", + "f26m_d2", + "osc_d8", + "osc_d10", + "osc_d16", + "osc_d7", + "clk32k", + "mainpll_d7_d8", + "mainpll_d6_d8", + "mainpll_d5_d8" +}; + +static const char * const vlp_camtg_parents[] = { + "clk26m", + "univpll_192m_d8", + "univpll_d6_d8", + "univpll_192m_d4", + "osc_d16", + "osc_d20", + "osc_d10", + "univpll_d6_d16", + "tvdpll1_d16", + "f26m_d2", + "univpll_192m_d10", + "univpll_192m_d16", + "univpll_192m_d32" +}; + +static const struct mtk_mux vlp_ck_muxes[] = { + /* VLP_CLK_CFG_0 */ + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_SCP_SEL, "vlp_scp_sel", + vlp_scp_parents, 0x008, 0x00c, 0x010, + 0, 4, 7, 0x04, 0), + MUX_CLR_SET_UPD(CLK_VLP_CK_PWRAP_ULPOSC_SEL, "vlp_pwrap_osc_sel", + vlp_pwrap_ulposc_parents, 0x008, 0x00c, 0x010, + 8, 3, 0x04, 1), + MUX_CLR_SET_UPD(CLK_VLP_CK_SPMI_P_MST_SEL, "vlp_spmi_p_sel", + vlp_spmi_p_parents, 0x008, 0x00c, 0x010, + 16, 4, 0x04, 2), + MUX_CLR_SET_UPD(CLK_VLP_CK_DVFSRC_SEL, "vlp_dvfsrc_sel", + vlp_26m_oscd10_parents, 0x008, 0x00c, 0x010, + 24, 1, 0x04, 3), + /* VLP_CLK_CFG_1 */ + MUX_CLR_SET_UPD(CLK_VLP_CK_PWM_VLP_SEL, "vlp_pwm_vlp_sel", + vlp_pwm_vlp_parents, 0x014, 0x018, 0x01c, + 0, 3, 0x04, 4), + MUX_CLR_SET_UPD(CLK_VLP_CK_AXI_VLP_SEL, "vlp_axi_vlp_sel", + vlp_axi_kp_parents, 0x014, 0x018, 0x01c, + 8, 3, 0x04, 5), + MUX_CLR_SET_UPD(CLK_VLP_CK_SYSTIMER_26M_SEL, "vlp_timer_26m_sel", + vlp_26m_oscd10_parents, 0x014, 0x018, 0x01c, + 16, 1, 0x04, 6), + MUX_CLR_SET_UPD(CLK_VLP_CK_SSPM_SEL, "vlp_sspm_sel", + vlp_sspm_parents, 0x014, 0x018, 0x01c, + 24, 3, 0x04, 7), + /* VLP_CLK_CFG_2 */ + MUX_CLR_SET_UPD(CLK_VLP_CK_SSPM_F26M_SEL, "vlp_sspm_f26m_sel", + vlp_26m_oscd10_parents, 0x020, 0x024, 0x028, + 0, 1, 0x04, 8), + MUX_CLR_SET_UPD(CLK_VLP_CK_SRCK_SEL, "vlp_srck_sel", + vlp_26m_oscd10_parents, 0x020, 0x024, 0x028, + 8, 1, 0x04, 9), + MUX_CLR_SET_UPD(CLK_VLP_CK_SCP_SPI_SEL, "vlp_scp_spi_sel", + vlp_scp_iic_spi_parents, 0x020, 0x024, 0x028, + 16, 2, 0x04, 10), + MUX_CLR_SET_UPD(CLK_VLP_CK_SCP_IIC_SEL, "vlp_scp_iic_sel", + vlp_scp_iic_spi_parents, 0x020, 0x024, 0x028, + 24, 2, 0x04, 11), + /* VLP_CLK_CFG_3 */ + MUX_CLR_SET_UPD(CLK_VLP_CK_SCP_SPI_HIGH_SPD_SEL, + "vlp_scp_spi_hs_sel", + vlp_scp_iic_spi_parents, 0x02c, 0x030, 0x034, + 0, 2, 0x04, 12), + MUX_CLR_SET_UPD(CLK_VLP_CK_SCP_IIC_HIGH_SPD_SEL, + "vlp_scp_iic_hs_sel", + vlp_scp_iic_spi_parents, 0x02c, 0x030, 0x034, + 8, 2, 0x04, 13), + MUX_CLR_SET_UPD(CLK_VLP_CK_SSPM_ULPOSC_SEL, "vlp_sspm_ulposc_sel", + vlp_sspm_ulposc_parents, 0x02c, 0x030, 0x034, + 16, 2, 0x04, 14), + MUX_CLR_SET_UPD(CLK_VLP_CK_APXGPT_26M_SEL, "vlp_apxgpt_26m_sel", + vlp_26m_oscd10_parents, 0x02c, 0x030, 0x034, + 24, 1, 0x04, 15), + /* VLP_CLK_CFG_4 */ + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_VADSP_SEL, "vlp_vadsp_sel", + vlp_vadsp_parents, 0x038, 0x03c, 0x040, + 0, 3, 7, 0x04, 16), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_VADSP_VOWPLL_SEL, + "vlp_vadsp_vowpll_sel", + vlp_vadsp_vowpll_parents, 0x038, 0x03c, 0x040, + 8, 1, 15, 0x04, 17), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_VADSP_UARTHUB_BCLK_SEL, + "vlp_vadsp_uarthub_b_sel", + vlp_vadsp_uarthub_b_parents, + 0x038, 0x03c, 0x040, 16, 2, 23, 0x04, 18), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_CAMTG0_SEL, "vlp_camtg0_sel", + vlp_camtg_parents, 0x038, 0x03c, 0x040, + 24, 4, 31, 0x04, 19), + /* VLP_CLK_CFG_5 */ + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_CAMTG1_SEL, "vlp_camtg1_sel", + vlp_camtg_parents, 0x044, 0x048, 0x04c, + 0, 4, 7, 0x04, 20), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_CAMTG2_SEL, "vlp_camtg2_sel", + vlp_camtg_parents, 0x044, 0x048, 0x04c, + 8, 4, 15, 0x04, 21), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_AUD_ADC_SEL, "vlp_aud_adc_sel", + vlp_aud_adc_parents, 0x044, 0x048, 0x04c, + 16, 2, 23, 0x04, 22), + MUX_GATE_CLR_SET_UPD(CLK_VLP_CK_KP_IRQ_GEN_SEL, "vlp_kp_irq_sel", + vlp_axi_kp_parents, 0x044, 0x048, 0x04c, + 24, 3, 31, 0x04, 23), +}; + +static const struct mtk_gate_regs vlp_ck_cg_regs = { + .set_ofs = 0x1f4, + .clr_ofs = 0x1f8, + .sta_ofs = 0x1f0, +}; + +#define GATE_VLP_CK_FLAGS(_id, _name, _parent, _shift, _flag) { \ + .id = _id, \ + .name = _name, \ + .parent_name = _parent, \ + .regs = &vlp_ck_cg_regs, \ + .shift = _shift, \ + .flags = _flag, \ + .ops = &mtk_clk_gate_ops_setclr_inv, \ + } + +#define GATE_VLP_CK(_id, _name, _parent, _shift) \ + GATE_VLP_CK_FLAGS(_id, _name, _parent, _shift, 0) + +static const struct mtk_gate vlp_ck_clks[] = { + GATE_VLP_CK(CLK_VLP_CK_VADSYS_VLP_26M_EN, "vlp_vadsys_vlp_26m", "clk26m", 1), + GATE_VLP_CK_FLAGS(CLK_VLP_CK_FMIPI_CSI_UP26M_CK_EN, "VLP_fmipi_csi_up26m", + "osc_d10", 11, CLK_IS_CRITICAL), +}; + +static const struct mtk_clk_desc vlpck_desc = { + .mux_clks = vlp_ck_muxes, + .num_mux_clks = ARRAY_SIZE(vlp_ck_muxes), + .clks = vlp_ck_clks, + .num_clks = ARRAY_SIZE(vlp_ck_clks), + .clk_lock = &mt8189_vlpclk_lock, +}; + +static const struct of_device_id of_match_clk_mt8189_vlpck[] = { + { .compatible = "mediatek,mt8189-vlpckgen", .data = &vlpck_desc }, + { /* sentinel */ } +}; + +static struct platform_driver clk_mt8189_vlpck_drv = { + .probe = mtk_clk_simple_probe, + .remove = mtk_clk_simple_remove, + .driver = { + .name = "clk-mt8189-vlpck", + .of_match_table = of_match_clk_mt8189_vlpck, + }, +}; + +module_platform_driver(clk_mt8189_vlpck_drv); +MODULE_DESCRIPTION("MediaTek MT8189 vlpckgen clocks driver"); +MODULE_LICENSE("GPL"); -- 2.45.2